LFXP2-17E-H-EVN - Lattice

March 2011

Revision: EB30_01.5



LatticeXP2 Advanced Evaluation Board



User’s Guide

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

Introduction

The LatticeXP2™ Advanced Evaluation Board provides a convenient platform to evaluate, test and debug user

designs and IP cores targeted for the LatticeXP2-17 FPGA. The board features of a LatticeXP2-17 FPGA in a 484

fpBGA package. The LatticeXP2 I/Os are connected to a rich variety of both generic and application-specific inter-

faces described later in this document.

Important: This document (including the schematics in the appendix) describes LatticeXP2 Advanced Evaluation

Boards marked as Rev B. This marking can be seen on the silkscreen of the printed circuit board, under the Lattice

Semiconductor logo.

The LatticeXP2 is a second-generation non-volatile FPGA device. It combines a Look-up Table (LUT) based FPGA

fabric with Flash non-volatile cells in a flexiFLASH™ architecture. The flexiFLASH approach provides benefits such

as instant-on, small footprint, on chip storage with FlashBAK™ embedded block memories and Serial TAG memory

and design security. The LatticeXP2 also support live updates with TransFR™, 128-bit AES encryption and dual-

boot technologies. The LatticeXP2 devices include LUT-based logic, distributed and embedded memory, Phase

Locked Loops (PLLs), pre-engineered source synchronous I/O and enhanced sysDSP™ blocks.

For a full description of the LatticeXP2 FPGA, see the Lattice website for data sheets, technical notes, technology

summaries and more: www.latticesemi.com.

Some common uses for the LatticeXP2 Advanced Evaluation Board include:

• Video and other DSP processing

• An analog-to-digital, and digital-to-analog mixed signal source/sink

• A single-board computer system

• A platform for evaluating the Input/Output (I/O) characteristics of the FPGA

• A platform for evaluation and development with Lattice IP cores

Features

Key features of the LatticeXP2 Advanced Evaluation Board include:

• SPI Serial Flash device included for low-cost, non-volatile configuration storage

• One 32-bit DDR2 SO-DIMM module connector

• 32-bit PCI connector

• Both a Tri-speed (10/100/1000 Mbit) Ethernet PHY that includes RJ-45, magnetics and spark gap, as well as a

directly wired RJ-45 connector

• RS-232 interface chip and 9-pin D-sub connector

• PS/2 Mouse connector

• USB 1.1 transceiver and USB type-A and type-B connectors

• USB download of LatticeXP2 and power manager bitstreams

• Video TX and RX MDR connectors

• Quad 12-bit ADC and Quad 12-bit DAC

• Two 8-pin DIP switches

• Discrete LEDs and 7-segment LED

• CompactFlash connector for type I and type II CompactFlash cards

• LCD module connector

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

• Prototyping areas with access to 14 I/O pins

• Selectable I/O bank voltages

• Four pairs of SMA connectors for high speed differential signals

• Oscillator socket for both half-size and full-size oscillators

• 3.3V, 2.5V, 1.8V, 1.2V and ADJ (adjustable voltage) powers generated from a single 5V to 28V power source

•ispPAC

®-POWR1220AT8 Power Manager II device for monitoring the 3.3V, 2.5V, 1.8V, 1.2V, ADJ voltages and

DDR Vref, Vtt voltages

•ispVM

® System programming support

General Description

The heart of the board is the LatticeXP2 non-volatile FPGA. The board also provides several different interconnec-

tions and support devices that permit it to be used for a variety of purposes. The PCI connector, DDR2 socket, and

Tri-speed Ethernet PHY are useful for applications using Lattice IP cores.

A number of connectors are useful for general purpose of the LatticeXP2 I/O capability. These include the SMA

connectors, RS-232, Video Tx/Rx MDR connectors, and the various generic prototype access points.

The CompactFlash connector is also useful for expansion purposes. It provides the ability to add storage, or com-

munication capabilities to the board.

Other features on the board help in evaluating the capabilities and performance of the LatticeXP2. The A/D, D/A,

and digital potentiometer are helpful for some basic mixed signal applications. The SMA connectors permit the

evaluation of high-speed differential signals, and protocols. The SPI memory showcases the failsafe capabilities of

the LatticeXP2.

The board also acts as a showcase for the ispPAC-POWR1220 power manager. The ispPAC-POWR1220 is a pro-

grammable device useful for safely managing the power supply system on the board. While the LatticeXP2 device

has no specific power-sequencing requirements, the ispPAC-POWR1220 device can be used to sequence and

monitor voltages.

Additional Resources

Additional resources for the LatticeXP2 Advanced Evaluation Board, such as updates to this document, sample

programs and links to demos can be found on the Lattice web site. Go to www.latticesemi.com/boards, and navi-

gate to the appropriate page for this board.

Initial Setup and Handling

The following is recommended reading prior to removing the evaluation board from the static shielding bag and

may or may not apply to your particular use of the board.

CAUTION: The devices on the board can be damaged by improper handling.

The devices on the evaluation board contain fairly robust ESD (Electro Static Discharge) protection structures

within them, able to withstand typical static discharges (see the “Human Body Model” specification for an example

of ESD characterization requirements). Even so, the devices are static sensitive to conditions that exceed their

designed in protection. For example: higher static voltages, as well as lower voltages with lower series resistance

or larger capacitance than the respective ESD specifications require can potentially damage or degrade the

devices on the evaluation board.

As such, it is recommended that you wear an approved and functioning grounded wrist strap at all times while han-

dling the evaluation board when it is removed from the static shielding bag. If you will not be using the board for a

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

while, it’s best to put it back in the static shielding bag. Please save the static shielding bag and packing box for

future storage of the board when it is not in use.

When reaching for the board, it is recommended that you first touch the outside threaded portion of one of the gold

SMA connectors. This will neutralize any static voltage difference between your body and the board prior to any

contact with signal I/O.

CAUTION: to minimize the possibility of ESD damage, the first and last electrical connection to the board, should

always be from test equipment chassis ground to GND on the board (black banana jack).

Before connecting signals or power to the board, attach a cable from chassis ground on grounded test equipment

to the GND on the board. Connecting the board ground to test equipment chassis ground will decrease the risk of

ESD damage to the I/O on the board as the initial connections to the board are made. Likewise, when unplugging

cables from the evaluation board, the last connection unplugged, should be the chassis GND connection to eval

board GND. If you have signal sources that are floating with respect to chassis GND, attempt to neutralize any

static charge on that signal source prior to attaching it to the evaluation board.

If you are holding or carrying the board while it’s not in a static shielding bag, please keep one finger on the

threaded portion of one of the gold SMA connectors. This will keep the board at the same voltage potential as your

body until you can pick up the static shielding bag and put the board back in it.

Electrical, Mechanical, and Environmental Specifications

The nominal board dimensions are 12 inches by 6 inches. The environmental specifications are as follows:

• Operating temperature: 0°C to 55°C

•Storage temperature: -40°C to 75°C

• Humidity: <95% without condensation

• 5V to 28V DC (20 watts max.)

Functional Description

Figure 1. LatticeXP2 Advanced Evaluation Board

8-Position

Switch

CompactFlash

DDR2 SO-DIMM

LatticeXP2

FPGA

MachXO2280

32-Bit PCI Edge

Video MDR

Tx/Rx

USB

Programming

9-Pin D-Sub

RS-232

USB Device/

Host

Generic RJ-45

PS/2 Mouse

8-Position

Switch

On/Off

Switch

ispPAC-POWR

1220AT8

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

LatticeXP2 Device

This board features a LatticeXP2 FPGA with a 1.2V DC core in a 484-ball fpBGA package. The default device is

the LatticeXP2-17. Any other LatticeXP2 density in this package can be accommodated. A complete description of

this device can be found on the Lattice web site at www.latticesemi.com.

Power Setup

The board is supplied by a single 5.0V to 28.0V DC power supply. On-board regulators will provide the necessary

supply voltages. The on-board regulators supply 3.3V, 2.5V, 1.8V, 1.2V, and an adjustable voltage (VCC_ADJ). The

adjustable voltage is set by the potentiometer VR1 and can be set to a value between 1.22V and 3.25V. The DC

power may be applied through the power jack at J54 using an AC adapter with a 5.0V to 28.0V DC output range.

Requirements for the power jack are listed in Ta bl e 1. The on/off switch (SW9) can be used as a convenience to

disable power jack J54. Be sure that SW9 is in the “on” position for normal operation.

The DC power may also be applied using a workbench power supply through the banana jacks at J53 (VCC_IN)

and J51 (GND). The workbench power supply voltage has to be between 5.0V and 28.0V.

Table 1. Power Jack J54 Specifications

Polarity Positive Center

Inside Diameter 0.1” (2.5mm)

Outside Diameter 0.218” (5.5mm)

Current Capacity Up to 4A

Power may also be supplied directly for each individual supply rail using banana jack connectors. To enable this

mode of operation, the appropriate fuses must be removed. All power sources must be regulated to the specifica-

tions in Ta b l e 2. No special power sequencing is required for the evaluation board.

Table 2. Individual Control of Supplies

Supply Jack Fuse Requirement

3.3V J50 F5 (3.0A) +/- 5%

2.5V J41 F1 (3.0A) +/- 5%

1.8V J47 F3 (10.0A) +/- 5%

1.2V J48 F4 (3.0A) +/- 5%

VCC_ADJ J46 F2 (1.5A) User-defined

Power Voltage Monitoring

A Lattice’s ispPAC Power Manager II device, ispPAC-POWR1220AT8, is used for monitoring various voltages on

the board. There are six LEDs used to indicate the status of the monitoring voltages. If the monitoring voltage is not

in the +/- 5% voltage window, the corresponding LED will be flashing, otherwise the LED will stay ON. Ta bl e 3

shows these six voltages and the corresponding LEDs.

Table 3. Individual Monitoring of Six Power Voltages

Voltage LED Monitoring Voltage Range

3.3V D5 3.3V +/- 5%

2.5V D6 2.5V +/- 5%

1.8V D7 1.8V +/- 5%

1.2V D8 1.2V +/- 5%

Vref D9 0.9V +/- 5%

Vtt D10 0.9V +/- 5%

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

For the VCC_ADJ adjustable voltage, the ispPAC-POWR1220AT8 will detect the voltage rail and show the status

using five LEDs. Each of these five LEDs indicates a particular voltage range. If the VCC_ADJ is in one of the volt-

age ranges, the corresponding LED will be turned ON and the other LEDs will be turned OFF, otherwise these five

LEDs will be turned ON and then OFF sequentially so that you will see a light keep moving between the LEDs. The

five LEDs and corresponding voltages are listed in Ta b l e 4.

Table 4. Monitoring of VCC_ADJ Power Voltages

LED Indicating Voltage Range

D11 3.3V +/- 5%

D12 2.5V +/- 5%

D13 1.8V +/- 5%

D14 1.5V +/- 5%

D15 1.2V +/- 5%

LatticeXP2 I/O Bank Voltage Setting

The jumpers listed in Ta bl e 5 allow the user to select the voltage (VCCIO) applied to each of the eight I/O banks of

the LatticeXP2 device. Certain restrictions apply depending on which features of the board are being used.

Table 5. VCCIO Selection Jumper

sysIO™ Bank Jumper Jumper on Pins

0J34 1-3 -> VCC_3.3V

2-4 -> VCC_2.5V

3-5 -> VCC_1.8V

4-6 -> VCC_ADJ

6J37

1VCC_2.5V

2VCC_1.8V

3VCC_1.8V

4VCC_3.3V

5VCC_3.3V

7VCC_3.3V

Depending on the optional devices installed, some sysIO banks may have restrictions. For each of J34 and J37

only select one bank voltage position at that jumper. For example, attaching more than one jumper to J34’s 6

square pins will short supplies.

Table 6. sysIO Bank Considerations

Bank Setting

0Selectable. CompactFlash requires 3.3V.

1Cannot be changed

6Selectable. Video TX/RX requires 2.5V.

7Cannot be changed

The following tables detail the various I/O standards supported by the LatticeXP2 sysIO structures. More informa-

tion can be found in technical note TN1136, LatticeXP2 sysIO Usage Guide.

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

Table 7. Mixed Voltage I/O Support

VCCIO

Input sysIO Standards Output sysIO Standards

1.2V 1.5V 1.8V 2.5V 3.3V 1.2V 1.5V 1.8V 2.5V 3.3V

1.2V Ye s Ye s Ye s Ye s

1.5V Ye s Ye s Ye s Ye s Ye s

1.8V Ye s Ye s Ye s Ye s Ye s

2.5V Ye s Ye s Ye s Ye s

3.3V Ye s Ye s Ye s Ye s

For example, if VCCIO is 3.3V then signals from devices powered by 1.2V, 2.5V, or 3.3V can be input and the thresh-

olds will be correct, assuming the user has selected the desired input level using ispLEVER® software. Output lev-

els are tied directly to VCCIO.

Table 8. sysIO Standards Supported per Bank

Description Top Side, Banks 0-1 Right Side, Banks 2-3 Bottom Side, Banks 4-5 Left Side, Banks 6-7

Types of I/O Buffers Single-ended Single-ended and

Differential

Single-ended Single-ended and

Differential

Output standards

supported

LVTT L

LVCM OS33

LVCM OS25

LVCM OS18

LVCM OS15

LVCM OS12

SSTL18 Class I, II

SSTL25 Class I, II

SSTL33 Class I, II

HSTL15 Class I

HSTL18_I, II

SSTL18D Class I, II

SSTL25D Class I, II

SSTL33D Class I, II

HSTL15D Class I

HSTL18D Class I, II

PCI33

LVDS 25E1

LVPECL1

BLVDS1

RSDS1

LVTT L

LVCM OS33

LVCM OS25

LVCM OS18

LVCM OS15

LVCM OS12

SSTL18 Class I, II

SSTL25 Class I, II

SSTL33 Class I, II

HSTL15 Class I

HSTL18 Class I, II

SSTL18D Class I, II

SSTL25D Class I, II

SSTL33D Class I, II

HSTL15D Class I, II

HSTL18D Class I, II

PCI33

LVDS

LVDS 25E1

LVPECL1

BLVDS1

RSDS1

LVTT L

LVCM OS33

LVCM OS25

LVCM OS18

LVCM OS15

LVCM OS12

SSTL18 Class I

SSTL2 Class I, II

SSTL3 Class I, II

HSTL15 Class I

HSTL18 Class I, II

SSTL18D Class I, II

SSTL25D Class I, II,

SSTL33D Class I, II

HSTL15D Class I

HSTL18D Class I, II

PCI33

LVDS 25E1

LVPECL1

BLVDS1

RSDS1

LVTT L

LVCM OS33

LVCM OS25

LVCM OS18

LVCM OS15

LVCM OS12

SSTL18 Class I

SSTL2 Class I, II

SSTL3 Class I, II

HSTL15 Class I, III

HSTL18 Class I, II, III

SSTL18D Class I,

SSTL25D Class I, II,

SSTL33D_I, II

HSTL15D Class I

HSTL18D Class I, II

PCI33

LVDS

LVDS 25E1

LVPECL1

BLVDS1

RSDS1

Inputs All Single-ended,

Differential

All Single-ended,

Differential

All Single-ended,

Differential

All Single-ended,

Differential

Clock Inputs All Single-ended,

Differential

All Single-ended,

Differential

All Single-ended,

Differential

All Single-ended,

Differential

PCI Support PCI33 no clamp PCI33 no clamp PCI33 with clamp PCI33 no clamp

LVDS Output Buffers LVDS (3.5mA) Buffers2LVDS (3.5mA) Buffers2

1. These differential standards are implemented by using complementary LVCMOS drivers and external resistors.

2. Available on 50% of the I/Os in the bank.

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

Prototype Areas

For general purpose I/O testing or monitoring, numerous test points are provided for direct access. Some test

points are grouped together and arranged in a grid pattern according to their associated I/O bank and are labeled

with the pin locations on the silkscreen of the board. Other test point I/Os are brought out to IDC connectors J1 and

J10 with both source and end termination resistors available for high speed parallel signal transmission over ribbon

cable.

Differential Signal Connections

There are four pairs of SMA connectors and one RJ-45 connector connected directly to the LatticeXP2 differential

I/O pairs.

The eight SMA connectors are provided for clocks or general purpose, user-definable signals. The center pin is

wired to an I/O pin and the outer case is soldered to ground. Ta b l e 9 details to which I/O pin each SMA connector

is wired.

Table 9. SMA Connectors

Location LatticeXP2 I/O Polarity sysIO Bank Description

J121A2* Pair#0 P 0PT4A/ULC_GPLLT_IN_A

J6 B3 Pair#0 N 0PT4B/ULC_GPLLC_IN_A

J13 F7 Pair#1 P 0PT5A/ULC_GPLLT_FB_A

J7 G7 Pair#1 N 0PT5B/ULC_GPLLC_FB_A

J14 P4 Pair#2 P 6PL37A

J8 P5 Pair#2 N 6PL37B

J15 Y1 Pair#3 P 6PL35A

J9 AA1 Pair#3 N 6PL35B

1. The SMA connector on J12 is shared with the on-board oscillator. When this SMA connector is used, the jumper on

J17 needs to be removed.

RJ-45 Connectors

There are two RJ-45 connectors, J5 and J43, on the evaluation board. J5 is a simple RJ-45 female connector pro-

vided for general-purpose differential interfacing to the LatticeXP2 device, while J43 is a full featured Ethernet PHY

connection with internal magnetics and spark gap. The connections for J5 are listed in Ta b le 10. J43 is described in

more detail in the Ethernet section later in this user guide.

Table 10. J5 RJ-45 Connections

J1 Pin LatticeXP2 I/O Polarity SysIO Bank Description

1P2 Pair#0 P 6PL32A

2P3 Pair#0 N 6PL32B

3T1 Pair#1 P 6PL30A/LDQS30

6U1 Pair#1 N 6PL30B

4M4 Pair#2 P 6PL28A

5M5 Pair#2 N 6PL28B

7R5 Pair#3 P 6PL40A

8P6 Pair#3 N 6PL40B

Oscillator

The 3.3V oscillator socket (Y1) accepts both full-size and half-size oscillators and can route to different clock

inputs, depending on its position within the socket (see Figure 2). The board is shipped with an EPSON program-

mable oscillator programmed to 33.33MHz.

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

The 16-pin socket will allow connection to PLL clock pin A2 when the top of the oscillator is aligned to socket pins 1

and 16. Note that the SMA connector J12 is shared with the on-board oscillator. When installing the oscillator to

connect the clock to PLL clock pin A2, the SMA connector J12 cannot be used and the jumper on J17 needs to be

installed.

When the bottom of the oscillator is aligned to socket pins 8 and 9, the clock is provided to primary clock pin L4.

Figure 2. On-board Oscillator

SPI Serial Flash

SPI Serial Flash are available in three package styles. The device used this board is an 8-pin, 16-Mbit, sufficient to

store two bitstreams simultaneously in order to support SPIm mode.

Configuration/Programming Headers

Four programming headers are provided on the evaluation board, providing access to the LatticeXP2, MachXO™,

and ispPAC-POWR1220AT8 and LatticeXP2 SPI Slave JTAG ports. The JTAG connectors J25, J32, J39 and J40

are 1x10 headers. The JTAG ports for the LatticeXP2 and ispPAC-POWR1220AT8 devices can be configured as

loop-through connectors to allow for easy daisy chaining of multiple boards. With proper jumper selection (see the

next section) standard IDC ribbon cable can be used without the need to swap any wires on the cable.

The pinouts for these headers are provided in the following tables.

A USB ispDOWNLOAD® cable is included with each LatticeXP2 Advanced Evaluation Board. When using the 1x8

cable adapter, connect pin 1 of the cable to pin 1 of the 1x10 JTAG header.

Important Note: The board must be un-powered when connecting, disconnecting, or reconnecting the ispDOWN-

LOAD Cable or USB cable. Always connect an ispDOWNLOAD Cable’s GND pin (black wire), before connecting

any other JTAG pins. Failure to follow these procedures can in result in damage to the LatticeXP2 FPGA and ren-

der the board inoperable.

LatticeXP2 Configuration

Two programming headers, J39 and J40, are provided on the evaluation board, providing access to the LatticeXP2

JTAG port and the ispPAC-POWR1220AT8 JTAG port. The pinouts for the headers are provided in Ta bl e 11.

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

Table 11. JTAG Programming Headers

Separate Programming Chained Programming

Jumper on J49 (None on J45) Jumper on J45 (None on J49)

J39 Function J40 Function J39 Function J40 Function

1Vcc (3.3V) Vcc (3.3V) Vcc (3.3V) Not used

2TDO of ispPAC-POWR1220AT8 TDO of LatticeXP2 TDO of ispPAC-POWR1220AT8 Not used

3TDI of ispPAC-POWR1220AT8 TDI of LatticeXP2 TDI of LatticeXP2 Not used

4NC NC NC Not used

5NC NC NC Not used

6TMS of both chips TMS of both chips TMS of both chips Not used

7GND GND GND Not used

8TCK of ispPAC-POWR1220AT8 TCK of LatticeXP2 TCK of both chips Not used

9NC DONE of LatticeXP2 NC Not used

10 NC INITN of LatticeXP2 NC Not used

J49 and J45 control the functions of the two programming headers. When a jumper is installed on J49, the pro-

gramming header J39 is connected to the JTAG port of ispPAC-POWR1220AT8 and is used for programming the

ispP

AC-POWR1220AT8 only; the programming header J40 is connected to the JTAG port of LatticeXP2 and is

used for programming the LatticeXP2 only.

When the jumper is moved from J49 to J45, the JTAG ports of the LatticeXP2 and ispPAC-POWR1220AT8 are

chained together. In this case, the programming header J40 is connected to the JTAG port of the LatticeXP2 first

and then chained with the JTAG port of ispPAC-POWR1220AT8. The programming header J39 should not be used

when the JTAG ports are chained together. During chained programming, the ispPAC-POWR1220AT8 device will

set the HVOUT1 signal (pin 86 of U17) tri-state until programming completes, so the enable for the 3.3V power for

the LatticeXP2 device will be interrupted during programming unless a jumper is installed at J52. After chained pro-

gramming of the ispPAC-POWR1220AT8, the jumper at J52 can be removed.

Additional instructions and recommendations for programming this board are provided in the Configuring/Program-

ming the Board section of this document.

Switches

There are two 8-position switches and six push-button switches for implementing basic static input functions.

Switches SW3, SW4, SW5, SW6, SW7 and SW10 are momentary switches. The pull-up resistors associated with

these switches are wired to 3.3V. Pushing the switches down produces a low (0), otherwise it produces a high (1).

The signals controlled by SW4, SW5, SW6, SW7 and SW10 are debounced by an MC14490 (U15) before connect-

ing to an LatticeXP2 I/O pin. Ta b l e 12 shows the control relationship between the switches, LatticeXP2 and ispPAC-

POWR1220AT8 I/O pins.

Table 12. Momentary Switches

Switch Connection User-Definable Debounced

SW3 Pin 97 of ispPAC-POWR1220AT8* Ye s 1No

SW4 J6 of LatticeXP2 (PROGRAMN) No Ye s

SW5 E12 of LatticeXP2 (GSRN) Ye s Ye s

SW6 W18 of LatticeXP2 Ye s Ye s

SW7 W17 of LatticeXP2 Ye s Ye s

SW10 U7 of LatticeXP2 Ye s Ye s

1. SW3 signal is also connected (wire-AND) to position#1 of SW2. Therefore, when position#1 of SW2 is in the down position,

SW3 signal (POWR1220AT8 pin 97) will be low even when SW3 is not being pushed.

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

SW2 and SW8 on the right side and the upper side of the board are 8-pin DIP switches. The pull-up resistors asso-

ciated with these switches are wired to 3.3V. A switch in the down position produces a low (0), the up position pro-

duces a high (1). All signals of SW8 are debounced before connecting to LatticeXP2 I/O pins. Ta b l e 13 shows the

SW8 connections to the LatticeXP2 and Ta b l e 14 shows the SW2 connections to ispPAC-POWR1220AT8 I/O pins.

Table 13. 8-Position Switch SW8

Switch (Position#) LatticeXP2 I/O sysIO Bank

SW8 (position #1) W15 4

SW8 (position #2) U16 4

SW8 (position #3) T16 4

SW8 (position #4) Y15 4

SW8 (position #5) Y16 4

SW8 (position #6) Y18 4

SW8 (position #7) Y17 4

SW8 (position #8) W18 4

Table 14. 8-Position Switch SW2

Switch (Position#)

POWR1220AT8

I/O Pin Pin Name

SW2 (position #1) 97 IN1

SW2 (position #2) 1IN2

SW2 (position #3) 2IN3

SW2 (position #4) 4IN4

SW2 (position #5) 6IN5

SW2 (position #6) 7IN6

SW2 (position #7) 89 VPS0

SW2 (position #8) 90 VPS1

LEDs

The eight user-definable LEDs are provided on the lower right side of the board. These LEDs are each wired to a

separate general purpose I/O as defined in the Ta bl e 15. The current limiting resistors associated with these LEDs

are wired to 3.3V but it is safe to use any FPGA I/O voltage. The LED will light when its associated I/O pin is driven

low.

Table 15. Connection between LEDs and LatticeXP2

LED LatticeXP2 I/O Bank LED LatticeXP2 I/O Bank

D17 AB18 4D21 Y14 4

D18 AB19 4D22 AA13 4

D19 V12 4D24 AB16 4

D20 U12 4D25 AB17 4

Ta bl e 16 describes the three LEDs associated with the dedicated programming pins.

Table 16. Programming LEDs

LED Pin Color Function

D27 PROGRAMN Yellow On when signal is low

D29 INIT Red On when initializing

D28 DONE Green On when config is complete

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

Seven Segment Display

The 7-segment LED located near the eight LEDs is controlled by LatticeXP2 Bank 4 I/O pins. The connections of

the segments are shown in Figure 3.

Figure 3. 7-Segment Display

LCD

The LCD module connector (J55) is a 2x9 header. This 18-pin header is compatible with quite a few character LCD

modules. Ta bl e 17 shows the pin function of the header and the connections to the bank 0 of the LatticeXP2 FPGA.

Table 17. LCD Header Connection

Pin # Function LatticeXP2 I/O Pin # Function LatticeXP2 I/O

1Anode — 2 Cathode (GND) —

3VSS(GND) — 4 VDD (5V) —

5VO — 6 RS U14

7 R/W AA20 8 E AA21

9DB0 AB20 10 DB1 AA22

11 DB2 V14 12 DB3 Y21

13 DB4 W14 14 DB5 Y22

15 DB6 U15 16 DB7 V15

17 Anode —18 Cathode (GND) —

The VR4 potentiometer is used to limit the current that flows through the backlight LED on the LCD module. The

VR5 potentiometer is used to adjust the VO voltage that controls the LCD contrast.

When the following LCD modules are used, connect pin 1 to 16 to the backlight LCD module or connect pin 1 to 14

to the non-backlight LCD module:

Optrex:

• C-51505 Series: 20 characters x 2 lines

When the following LCD modules are used, connect pin 3 to 18 to the backlight LCD module or connect pin 3 to 16

to the non-backlight LCD module.

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

Lumex:

• LCM-S01601 Series: 16 characters x 1 line

•LCM-S00802 Series: 8 characters x 2 lines

• LCM-S01602 Series: 16 characters x 2 lines

• LCM-S02002 Series: 20 characters x 2 lines

• LCM-S02402 Series: 24 characters x 2 lines

• LCM-S04002 Series: 40 characters x 2 lines

• LCM-S02004 Series: 20 characters x 4 lines

• LCM-S02404 Series: 24 characters x 4 lines

Varitronix:

• MDLS-20189 Series: 20 characters x 1 line

•MDLS-20265 Series: 20 characters x 2 lines

• MDLS-24265 Series: 24 characters x 2 lines

• MDLS-40266 Series: 40 characters x 2 lines

Video TX and RX MDR Connectors

The video TX (J2) and RX (J3) MDR connectors accept 7:1 LVDS 2.5v differential video signals. The connections

between the connector pins and LatticeXP2 I/O are shown in Tables 18 and 19. All the pins are connected to Bank

6 I/Os. The Bank 6 supply voltage (VCCIO_6) must be set to select 2.5V for proper LVDS 2.5V signal levels.

Table 18. Video TX MDR Connections

Pin # Function LatticeXP2 I/O Pin # Function LatticeXP2 I/O

1 — — 14 TX_OUT0_N Y4

2 GND — 15 TX_OUT0_P AA3

3 — — 16 — —

4TX_OUT1_N U5 17 GND —

5TX_OUT1_P U4 18 — —

6TX_OUT2_N V3 19 GND —

7TX_OUT2_P U2 20 — —

8 — — 21 — —

9 — — 22 TX_CLKOUT_N T2

10 GND — 23 TX_CLKOUT_P R2

11 — — 24 — —

12 TX_OUT3_N R4 25 GND —

13 TX_OUT3_P R3 26 — —

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

Table 19. Video RX MDR Connections

Pin # Function LatticeXP2 I/O Pin # Function LatticeXP2 I/O

1 — — 14 RX_IN3_P Y3

2 GND — 15 RX_IN3_N W3

3 — — 16 — —

4RX_CLKIN_P P1 17 GND —

5RX_CLKIN_N R1 18 — —

6 — — 19 — —

7 — — 20 RX_IN2_P R7

8 GND — 21 RX_IN2_N R6

9 — — 22 RX_IN1_P T3

10 GND — 23 RX_IN1_N U3

11 — — 24 — —

12 RX_IN0_P T6 25 GND —

13 RX_IN0_N T7 26 — —

CompactFlash

The CompactFlash connector (J38) on the board accepts both type-I and type-II CompactFlash cards. The connec-

tions between the connector pins and LatticeXP2 balls are shown in Table 20. All the pins are connected to Bank 1

I/Os.

Table 20. CompactFlash Connection

Pin # Function LatticeXP2 I/O Pin # Function LatticeXP2 I/O

1GND —26 CD1 A8

2D3 A14 27 D11 B8

3D4 B13 28 D12 A7

4D5 F12 29 D13 F9

5D6 F11 30 D14 E9

6D7 C12 31 D15 C8

7CE1/CS0 E11 32 CE2/CS1 D8

8A10 A13 33 VS1 B7

9OE/ATASEL B12 34 IORD B6

10 A9 A12 35 IOWR A6

11 A8 B11 36 WE A5

12 A7 G9 37 READY/IREQ/INTRQ J7

13 VCC —38 VCC —

14 A6 G8 39 CSEL H7

15 A5 C11 40 VS2 C7

16 A4 D11 41 RESET C6

17 A3 A11 42 WAIT/IORDY A4

18 A2 A10 43 INPACK/DMARQ A3

19 A1 B10 44 REG/DMACK C4

20 A0 B9 45 BVD2/SPKR/DASP C5

21 D0 E10 46 BVD1/STSCHG/PDIAG E8

22 D1 F10 47 D8 F8

23 D2 C9 48 D9 D5

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

USB 1.1

For implementing the USB interface, the LatticeXP2 board contains a USB 1.1 transceiver MAX3454EETE (or

NCN2500MNR2 from On Semiconductor), a type-A connector and a type-B USB connector. Note there is a third

USB connector, which is used for the built-in USB download cable, described later in this document.

Table 21. Header Settings for Configuring USB Interface as USB Host

Header/Connector Jumper Position Description

J21 Pin 1 and 2 Drive USB transceiver ENUM pin to GND to disconnect the internal 1.5K

resistor between Vtrm and D+ or D-.

J22 (D+) Pin 1 and 2 Pull D+ signal low through an external 15K resistor.

J23 (D-) Pin 1 and 2 Pull D- signal low through an external 15K resistor.

J24 Pin 1 and 2 Provide 5V power to the external USB device.

J16 (USB type A) —Type A is used while implementing USB host.

J20 (USB type B) —This connector is not used in this configuration.

Table 22. Header Settings for Configuring USB Interface as USB Device

Header/Connector Jumper Position Description

J21 Pin 2 and 3 Drive USB transceiver ENUM pin to 3.3V to connect the internal 1.5K

resistor between Vtrm and D+ or D-.

J22 (D+) Pin 2 and 3 Disconnect D+ signal from the external 15K pull-down.

J23 (D-) Pin 2 and 3 Disconnect D- signal from the external 15K pull-down.

J24 Pin 2 and 3 No 5V power is provided when implementing USB device.

J16 (USB type A) —This connector is not used in this configuration.

J20 (USB type B) —Type A is used while implementing USB host.

The connections between the USB 1.1 transceiver MAX3454EETE (or NCN2500MNR2 from On Semiconductor)

and the LatticeXP2 FPGA are shown in Ta bl e .

24 WP/IOIS16/IOCS16 D9 49 D10 D6

25 CD2 A9 50 GND —

Table 23. Connections Between USB 1.1 Transceiver and LatticeXP2

Pin # MAX3454EETE NCN2500MNR2 LatticeXP2 I/O Description

1SPD DSPD D4 Connect to LatticeXP2 bank 7 I/O

2RCV RCV E3 Connect to LatticeXP2 bank 7 I/O

3VP VP C1 Connect to LatticeXP2 bank 7 I/O

4VM VM D1 Connect to LatticeXP2 bank 7 I/O

5NC EN_Vobus# —Connect to 3.3V

6GND GND —Connect to GND

7SUS SPND E1 Connect to LatticeXP2 bank 7 I/O

8NC NC —No connect

9OE# OE# D3 Connect to LatticeXP2 bank 7 I/O

10 D- D- —Connect to USB connectors through 33 Ohm resistor

11 D+ D+ —Connect to USB connectors through 33 Ohm resistor

12 Vtrm Vreg —Connect to GND though a capacitor

Table 20. CompactFlash Connection (Continued)

Pin # Function LatticeXP2 I/O Pin # Function LatticeXP2 I/O

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

PS/2 Mouse

The PS/2 mouse connector (JP1) on this board connects the clock and data through the PCA9306 level translator

to the LatticeXP2. The clock and data are connected as described in Ta bl e 24.

Table 24. Connections Between PS/2 Mouse Connector and LatticeXP2

JP1 Pin # Signal LatticeXP2 I/O Description

1DATA V5 PS/2 data signal, open drain

5CLOCK V4 PS/2 clock signal, open drain

RS-232

The RS-232 interface on this board includes a RS-232 interface chip (MAX3232), a 9-pin D-sub female connector

and four headers. This RS-232 interface can be configured to DCE or DTE by changing the jumper settings of J27,

J28, J29 and J30 headers. These headers are used to connect the MAX3232 to the D-sub connector. Installing

jumpers on Pin 1 and Pin 2 of these headers configures the RS-232 to DCE. Installing jumpers on Pin 2 and Pin 3

of these headers configures the RS-232 to DTE. The connections and functions of the signals between MAX3232

and LatticeXP2 stay the same for DCE and DTE configurations. These are listed in Ta bl e 25.

Table 25.

Signal Name MAX3232 Pin LatticeXP2 I/O LatticeXP2 Bank LatticeXP2 I/O Type

/CTS 9 (R2OUT) C3 7Input

RXD 12 (R1OUT) B2 7Input

TXD 11 (T1IN) B1 7Output

/RTS 10 (T2IN) C2 7Output

Connections Between MAX3232 and LatticeXP2

DDR2

The 200-pin SODIMM socket provides a built-in 32-bit interface to standard 1.8V DDR2 SDRAM memory modules

(PC2-5300). Lattice recommends the Kingston KVR533D284/512. However, other memories conforming to this

standard will also work. The required VREF and VTT voltages, as well as termination of each signal to VTT are pro-

vided. Performance has been verified at above the 533Mbps data rate. Write mode dynamic ODT at the memory

modules is fully supported, while read mode ODT at the controller (FPGA) is approximated with external termina-

tions optimized for best performance. The connections between the connector pins and LatticeXP2 balls are shown

in Ta b l e 26.

13 ENUM Vobus —Connect to J21 pin 2

14 Vbus Vusb —Connect to USB connectors

15 VL Vcc —Connect to 3.3V

16 NC EN_RPU —Connect to J21 pin 2

Table 26. DDR2 Interface to SODIMM Socket

Description LatticeXP2 I/O sysIO Bank J36

DDR2_DQ0 R21 3 5

DDR2_DQ1 R20 3 7

DDR2_DQ2 N17 317

DDR2_DQ3 N16 319

DDR2_DQ4 P19 3 4

DDR2_DQ5 R19 3 6

Table 23. Connections Between USB 1.1 Transceiver and LatticeXP2 (Continued)

Pin # MAX3454EETE NCN2500MNR2 LatticeXP2 I/O Description

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

DDR2_DQ6 T21 314

DDR2_DQ7 T20 316

DDR2_DM0 P16 310

DDR2_DQS0_P T22 313

DDR2_DQS0_N U22 311

DDR2_DQ8 K21 323

DDR2_DQ9 L21 325

DDR2_DQ10 M19 335

DDR2_DQ11 M20 337

DDR2_DQ12 M17 320

DDR2_DQ13 M16 322

DDR2_DQ14 M21 336

DDR2_DQ15 N21 338

DDR2_DM1 P21 326

DDR2_DQS1_P M22 331

DDR2_DQS1_N N22 329

DDR2_DQ16 G21 243

DDR2_DQ17 F22 245

DDR2_DQ18 J17 255

DDR2_DQ19 K17 257

DDR2_DQ20 K18 244

DDR2_DQ21 L17 246

DDR2_DQ22 H22 256

DDR2_DQ23 G22 258

DDR2_DM2 J16 252

DDR2_DQS2_P H21 251

DDR2_DQS2_N J21 249

DDR2_DQ24 H20 261

DDR2_DQ25 G20 263

DDR2_DQ26 E19 273

DDR2_DQ27 F19 275

DDR2_DQ28 J20 262

DDR2_DQ29 H19 264

DDR2_DQ30 C22 274

DDR2_DQ31 B22 276

DDR2_DM3 H17 267

DDR2_DQS3_P D22 270

DDR2_DQS3_N E22 268

DDR2_A0 R18 3102

DDR2_A1 R17 3101

DDR2_A2 U21 3100

DDR2_A3 V22 399

DDR2_A4 U20 398

DDR2_A5 V20 397

Table 26. DDR2 Interface to SODIMM Socket (Continued)

Description LatticeXP2 I/O sysIO Bank J36

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

Ethernet PHY

In the upper middle portion of the board is U11, a National Semiconductor Gigabit Ethernet PHY (DP83865). The

LatticeXP2 FPGA interacts with the PHY over a Media Independent Interface (MII). The PHY is connected to an

RJ45 connector J43 on the Media Dependent Interface (MDI). The RJ45 connector J43 has built in magnetics and

spark-gap capacitor.

The PHY is available on the board in order to demonstrate the Lattice Ethernet Media Access (MAC) IP core. How-

ever, it is also possible to use the PHY to evaluate a custom MAC solution.

Refer to the schematic and the National Semiconductor DP83865 Data Sheet for detailed information about the

operation of the Ethernet PHY interface on this device. Refer to Ta bl e 27 for a description of the Ethernet PHY con-

nections.

DDR2_A6 R16 394

DDR2_A7 T17 392

DDR2_A8 Y20 393

DDR2_A9 Y19 391

DDR2_A10 W22 3105

DDR2_A11 G15 290

DDR2_A12 G16 289

DDR2_A13 F17 2116

DDR_BA0 P20 3107

DDR_BA1 P22 3106

DDR_BA2 F18 285

DDR2_CK0_P G17 230

DDR2_CK0_N H18 232

DDR2_CK1_P B21 2164

DDR2_CK1_N C21 2166

DDR2_CKE0 J19 279

DDR2_CKE1 C20 280

DDR2_S0_N J18 2110

DDR2_S1_N H16 2115

DDR2_RAS_N K16 2108

DDR2_CAS_N L18 2113

DDR2_WE_N L19 2109

DDR2_ODT0 P18 3114

DDR2_ODT1 N18 3119

DDR2_SDA AA2 0195

DDR2_SCL Y2 0197

Table 26. DDR2 Interface to SODIMM Socket (Continued)

Description LatticeXP2 I/O sysIO Bank J36

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

Table 27. 10/100/1000 Ethernet PHY Connection Summary

Description LatticeXP2 I/O sysIO Bank

ETH_CLK_TO_MAC G11 1

ETH_COL A17 1

ETH_CRS B16 1

ETH_EGP0 (low, install R91 to pull high) --

ETH_EGP2 G13 1

ETH_EGP4 G14 1

ETH_EGP5 D12 1

ETH_EGP6 B14 1

ETH_EGP7 A15 1

ETH_GTX_CLK D15 1

ETH_MAC_CLK_EN G10 1

ETH_MDC E15 1

ETH_MDIO E14 1

ETH_RESET_N A16 1

ETH_RX_CLK B15 1

ETH_RX_D0 F14 1

ETH_RX_D1 D14 1

ETH_RX_D2 C16 1

ETH_RX_D3 C17 1

ETH_RX_D4 B17 1

ETH_RX_D5 A18 1

ETH_RX_D6 F13 1

ETH_RX_D7 G12 1

ETH_RX_DV C14 1

ETH_RX_ER E13 1

ETH_TX_CLK C15 1

ETH_TX_D0 D17 1

ETH_TX_D1 E18 1

ETH_TX_D2 C18 1

ETH_TX_D3 C19 1

ETH_TX_D4 A20 1

ETH_TX_D5 D19 1

ETH_TX_D6 D17 1

ETH_TX_D7 D18 1

ETH_TX_EN A19 1

ETH_TX_ER A21 1

PCI Connection

The 124-pin PCI connector installed at the bottom-left corner of the board is used for 32-bit PCI. With this PCI con-

nector, PCI IP and proper LatticeXP2 FPGA design, the LatticeXP2 Advanced Evaluation board can be used in a

PCI slot on a PC motherboard. There are two sides to the PCI connector, component side (J11) and solder side

(J56). Refer to Tables 28 and 29 for a description of the PCI connections where the I/O direction is referenced to

the LatticeXP2 Advanced Evaluation Board.

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

Table 28. PCI Connector Component Side

J11 Pin# Signal I/O Description LatticeXP2 Connection

112V Vcc 12V voltage supply pin —

2TCK -PCI JTAG TCK signal —

3GND Vss System ground GND

4TDO -JTAG TDO signal —

55V Vcc 5V voltage supply pin —

65V Vcc 5V voltage supply pin —

7 INTB# O PCI INTB# signal —

8 INTD# O PCI INTD# signal —

9PRSNT1# OPCI PRSNT1# signal —

10 Reserved -Reserved —

11 PRSNT2# OPCI PRSNT2# signal —

14 Reserved -Reserved —

15 GND Vss System ground GND

16 CLK IPCI system clock AB14

17 GND Vss System ground GND

18 REQ# OPCI arbitration request signal W5

19 +VIO Vio VIO voltage supply pin —

20 AD[31] I/O PCI address and bit 31 Y5

21 AD[29] I/O PCI address and data bit 29 Y6

22 GND Vss System ground GND

23 AD[27] I/O PCI address and data bit 27 AB6

24 AD[25] I/O PCI address and data bit 25 AA7

25 +3.3V Vcc 3.3V voltage supply pin +3.3V

26 C/BE#[3] I/O PCI bus command, byte enable, bit 3 Y8

27 AD[23] I/O PCI address and data bit 23 W4

28 GND Vss System ground GND

29 AD[21] I/O PCI address and data bit 21 W6

30 AD[19] I/O PCI address and data bit 19 U8

31 +3.3V Vcc 3.3V voltage supply pin +3.3V

32 AD[17] I/O PCI address and data bit 17 W8

33 C/BE#[2] I/O PCI bus command, byte enable, bit 2 V9

34 GND Vss System ground GND

35 IRDY# I/O PCI initiator ready signal T10

36 +3.3V Vcc 3.3V voltage supply pin +3.3V

37 DEVSEL# I/O PCI device select T9

38 GND Vss System ground GND

39 LOCK# I/O PCI lock signal -

40 PERR# I/O PCI parity error signal V10

41 +3.3V Vcc 3.3V voltage supply pin +3.3V

42 SERR# I/O PCI system error signal V11

43 +3.3V Vcc 3.3V voltage supply pin +3.3V

44 C/BE#[1] I/O PCI bus command, byte enable, bit 1 T12

45 AD[14] I/O PCI address and data bit 14 T13

46 GND Vss System ground GND

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

47 AD[12] I/O PCI address and data bit 12 AA9

48 AD[10] I/O PCI address and data bit 10 Y9

49 M66EN OPCI 66 MHz enable —

52 AD[8] I/O PCI address and data bit 8 AB11

53 AD[7] I/O PCI address and data bit 7 AA11

54 +3.3V Vcc 3.3V voltage supply pin +3.3V

55 AD[5] I/O PCI address and data bit 5 AB12

56 AD[3] I/O PCI address and data bit 3 AB13

57 GND Vss System ground GND

58 AD[1] I/O PCI address and data bit 1 Y12

59 +VIO Vio VIO voltage supply pin —

60 ACK64# I/O PCI 64-bit acknowledge pin —

61 +5V Vcc 5V voltage supply pin —

62 +5V Vcc 5V voltage supply pin —

Table 29. PCI Connector Solder Side

J56 Pin# Signal I/O Description LatticeXP2 Connection

1TRST# IPCI JTAG TRST# signal —

2+12V Vcc 12V voltage supply pin —

3TMS IPCI JTAG TMS signal —

4TDI IJTAG TDI signal —

5+5V Vcc 5V voltage supply pin —

6INTA# OPCI INTA# signal AB2

7INTC# OPCI INTC# signal —

8+5V Vcc 5V voltage supply pin —

9Reserved —Reserved —

10 VIO Vio VIO voltage supply pin —

11 Reserved —Reserved —

14 +3.3V AUX Vcca 3.3V auxiliary voltage supply —

15 RST# IPCI system reset AB3

16 VIO Vio VIO voltage supply pin —

17 GNT# I PCI arbitration grant AB4

18 GND Vss System ground GND

19 PME# — —

20 AD[30] I/O PCI address and data bit 30 AB5

21 +3.3V Vcc 3.3V voltage supply +3.3V

22 AD[28] I/O PCI address and data bit 28 AA6

23 AD[26] I/O PCI address and data bit 26 Y7

24 GND Vss System ground GND

25 AD[24] I/O PCI address and data bit 24 AB7

26 IDSEL IPCI interface control, ID select AA8

27 +3.3V Vcc 3.3V voltage supply pin +3.3V

28 AD[22] I/O PCI address and data bit 22 V6

29 AD[20] I/O PCI address and data bit 20 U6

Table 28. PCI Connector Component Side (Continued)

J11 Pin# Signal I/O Description LatticeXP2 Connection

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

4-Input ADC

U3 is the quad ADC (Analog to Digital Converter) ADS7842 IC. The four analog inputs AIN0 to AIN3 are RC filtered

versions of the external analog signals applied at J10. The full scale values for the ADC inputs will match that of the

AREF signal described below. AIN3 is also tied to VR1 to allow user adjustment of a set DC value based on the

AREF signal described below. The connections between the ADC pins and LatticeXP2 balls are shown in Ta bl e 30.

30 GND Vss System ground GND

31 AD[18] I/O PCI address and data bit 18 V8

32 AD[16] I/O PCI address and data bit 16 U9

33 +3.3V Vcc 3.3V voltage supply pin +3.3V

34 FRAME# I/O PCI interface control FRAME# signal W9

35 GND Vss System ground GND

36 TRDY# I/O PCI interface control TRDY# signal T8

37 GND Vss System ground GND

38 STOP# I/O PCI interface control STOP# signal T11

39 +3.3V Vcc 3.3V voltage supply pin +3.3V

40 Reserved —Reserved —

41 Reserved —Reserved —

42 GND Vss System ground GND

43 PA R I/O PCI address and data PAR signal U10

44 AD[15] I/O PCI address and data bit 15 U11

45 +3.3V Vcc 3.3V voltage supply pin +3.3V

46 AD[13] I/O PCI address and data bit 13 AB8

47 AD[11] I/O PCI address and data bit 11 AB9

48 GND Vss System ground GND

49 AD[9] I/O PCI address and data bit 9 AB10

52 C/BE#[0] I/O PCI bus command, byte enable, bit 0 AA10

53 +3.3V Vcc 3.3V voltage supply pin +3.3V

54 AD[6] I/O PCI address and data bit 6 Y11

55 AD[4] I/O PCI address and data bit 4 W11

56 GND Vss System ground GND

57 AD[2] I/O PCI address and data bit 2 AB15

58 AD[0] I/O PCI address and data bit 0 AA12

59 +VIO Vio VIO voltage supply pin —

60 REQ64# I/O PCI 64-bit request transfer pin —

61 +5V Vcc 5V voltage supply pin —

62 +5V Vcc 5V voltage supply pin —

Table 29. PCI Connector Solder Side (Continued)

J56 Pin# Signal I/O Description LatticeXP2 Connection

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

Table 30. ADC Connections

Description LatticeXP2 I/O sysIO Bank

D0 H3 7

D1 H4 7

D2 G3 7

D3 G2 7

D4 H1 7

D5 H2 7

D6 G6 7

D7 H6 7

D8 H5 7

D9 J5 7

D10 J1 7

D11 J2 7

A0 F3 7

A1 E5 7

CLK F2 7

BUSYN F1 7

WRN G1 7

CSN F5 7

RDN F4 7

4-Output DAC

U5 is the quad DAC (Digital to Analog Converter) DAC7617 IC. The four analog outputs, AOUT0 to AOUT3, are

available at connector J10. The full scale values for the DAC outputs will match that of the AREF signal described

below. The connections between the DAC pins and LatticeXP2 balls are shown in Ta b l e 31.

Table 31. DAC Connections

Description LatticeXP2 I/O sysIO Bank

RSTN K1 7

LOADREGN K2 7

LDACN J4 7

CSN M1 7

CLK M2 7

SDI L3 7

The AREF signal is used by both the ADC and DAC as the full scale voltage reference. The AREF signal can be

selected from three different sources: a low drift band gap voltage provided at U2, the power supply voltage

VCC_3.3v, or an externally applied voltage at jumper J4 pin 2. J4 allows selection of which voltage will be the

source of the AREF signal as shown in Ta b l e 32.

Table 32. DAC and ADC Full Scale Reference Selection (AREF)

J4 Jumper Position AREF Source ADC and DAC Usage

1-2 VCC_3.3v Full scale values track 3.3v power

2-3 Band gap reference Full scale values track low drift reference

open J4 pin 2 Full scale values track external voltage

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

USB Download

The evaluation board has a USB download cable built in. The built-in cable consists of a USB Type-B connector

(J33), a USB microcontroller, and a MachXO device.

To use the built-in download cable, simply connect a standard USB cable from J33 to your PC (with ispVM System

software installed). The USB hub on the PC will detect the addition of the USB function making the built-in cable

available for use with Lattice’s ispVM System software. J35 must have a jumper shunted from pins 2-3 to enable

the built-in download cable.

The built-in USB cable is connected in parallel to J39 and J40. J39 and J40 are 1x10 100mil headers that are pro-

vided for use with an external Lattice download cable. A Lattice parallel port or USB download cable can be

attached to the board using J39 or J40.

Use of the built-in cable must be mutually exclusive to the use of an external download cable. When using an exter-

nal download cable, the jumper on J35 must be moved to shunt pins 1 and 2. This tri-states the MachXO device,

preventing it from interfering with the external download cable.

Important Note: The board must be un-powered when connecting, disconnecting, or reconnecting the ispDOWN-

LOAD Cable or USB cable. Always connect an ispDOWNLOAD Cable’s GND pin (black wire), before connecting

any other JTAG pins. Failure to follow these procedures can in result in damage to the LatticeXP2 FPGA and ren-

der the board inoperable.

Default Jumper Settings

The evaluation board is shipped with default jumper positions as shown in Figure 4. Some jumper settings are

required for bitstream downloading and display functionality.

Figure 4. Default Jumper Settings

Configuring/Programming the Board

Requirements:

• PC with Lattice’s ispVM System version 17.0 (or later) programming software, installed with appropriate drivers

(USB driver for USB Cable, Windows NT/2000/XP parallel port driver for ispDOWNLOAD Cable). Note: An option

to install these drivers is included as part of the ispVM System setup.

• Standard USB cable, or any ispDOWNLOAD or Lattice USB Cable (pDS4102-DL2x, HW7265-DL3x, HW-USB-

2x, etc.).

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

The following device programming sections provide procedures for programming the on-board SPI Flash using

either a standard USB cable, or an ispDOWNLOAD cable (parallel or USB). If you would like to program the

LatticeXP2 SRAM or Flash directly instead, then the procedures are slightly different in that you will select those

rather than SPI Flash programming at Step 7, Figure 6 in the first procedure below, and much the same for the sec-

ond configuration procedure.

For a complete discussion of the LatticeXP2’s configuration and programming options, refer to technical note

TN1141, LatticeXP2 sysCONFIG Usage Guide.

LatticeXP2 SRAM Configuration Using SPI Flash and a Standard USB Cable at J33

The LatticeXP2 SRAM can be configured easily via the on-board SPI Flash using the USB Download port at J33

and ispVM. The LatticeXP2 device is SRAM-based, so it must remain powered on to retain its configuration when

programming the SRAM. The on-board SPI Flash retains its programmed bitstreams when power is off, and can

quickly load programmed bitstreams into the LatticeXP2 device when power is applied.

1. Attach a ground connection from the test equipment chassis ground to the black GND terminal J51.

2. Check that the jumpers are installed as shown in Figure 4. Now move the J35 jumper from the left-side two

pins to be on the right-side two pins.

3. Connect the LatticeXP2 Evaluation Board to an external 5V supply.

4. Push the SW1 USB Download reset button located just above the MachXO device (U9). Connect a standard

USB cable from your PC’s USB connector to the USB download connector J33 on the LatticeXP2 Advanced

Evaluation Board.

5. Start the ispVM System software, then select Options > Cable and I/O Port Setup..., then check that the

Cable Type is set to USB.

Note: If you receive a Windows notification about installing a USB driver, then in ispVM System select ISPTOOLS

and INSTALL/UNINSTALL LSC USB/PARALLEL PORT DRIVER..., then select the LSC WINDOWS USB

DRIVER, and push the INSTALL button. Now push the SW1 USB Download reset button located just above the

MachXO device (U9). Windows should recognize the USB cable to the LatticeXP2 Advanced Evaluation Board.

6. Press the SCAN button located in the toolbar. The LatticeXP2 device will be automatically detected. The result-

ing screen will be similar to Figure 5. If offered multiple LatticeXP2 device types, select the LFXP2-17E.

Figure 5. ispVM System Interface

7. Left-click on the LFXP2-17E device line and if offered other selections, select the LFXP2-17E, and leave that

line selected. Now, in the ispVM main menu select Edit > EDIT_DEVICE and a Device Information window will

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

open as shown in Figure 6. Select Device Access Options and SPI Flash Programming as shown in

Figure 7.

Figure 6. Device Information Dialog

Figure 7. SPI Serial Flash Device Dialog

8. Select Browse and point to the location of the bitstream file. Note that if you have a “.JED” file output from isp-

LEVER, you can convert it to a “.BIT” file using ispVM and selecting the UFW (Universal File Writer) icon with

the input file being the “.JED” file from ispLEVER and the output file being a “.BIT” file.

9. Select Flash Device and in the Select Device window, change the selections as shown in Figure 8. Press OK

to close the Select Device window.

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

Figure 8. Select Device Dialog

10. Check that the SPI Serial Flash Device window now appears as shown in Figure 9, then press OK to close

the SPI Serial Flash Device window.

Figure 9. SPI Serial Flash Device Dialog

11. Check that the Device Information window appears as shown in Figure 10, then press OK to close the Device

Information window.

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

Figure 10. Device Information Dialog

12. Check that the LSC ispVM System window appears as it does in Figure 11.

Figure 11. ispVM System Interface

13. To begin the download of the bitstream into the SPI Flash, press the GO menu button. You will see a small

counter display window start up and then that window will change to a Processing address window. A blue

section of that processing window will start to fill in from the left side until it reaches the right side of the win-

dow. When downloading to SPI Flash is complete, ispVM will then begin to verify the downloaded bitstream

loaded into the SPI Flash with another small processing window and blue bar moving across it.

14. Upon successful verification of the downloaded bitstream to SPI Flash, the LatticeXP2 device can then be pro-

grammed by powering down the evaluation board and re-applying power.

15. You should now see the LatticeXP2 evaluation board’s LED digit display incrementing from 0 to 9 and a to f, the

digit decimal point should be blinking, and the LEDs to the left of the digit should show the internal counter

state while the digit count is incrementing.

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

LatticeXP2 SRAM Configuration Using SPI Flash and a Lattice ispDOWNLOAD Cable at

J40

The LatticeXP2 SRAM can be configured easily via the on board SPI Flash using the JTAG port and ispVM. The

LatticeXP2 device is SRAM-based, so it must remain powered on to retain its configuration when programming the

SRAM. The on-board SPI Flash retains its programmed bitstreams when power is off, and can quickly load pro-

grammed bitstreams into the LatticeXP2 device when power is applied.

1. Attach a ground connection from the test equipment chassis ground to the black GND terminal J51.

2. Check that the jumpers are installed as shown in Figure 4.

3. Connect the LatticeXP2 Evaluation Board to an external 5V supply.

4. Connect the Lattice ispDOWNLOAD cable to the header at J40 labeled “XP2”.

Note: When using a 1x8 download cable, connect to the 1x10 header by justifying the alignment to pin 1 (VCC).

The board must be un-powered when connecting, disconnecting, or reconnecting the ispDOWNLOAD Cable or

USB cable. Always connect an ispDOWNLOAD Cable’s GND pin (black wire), before connecting any other

JTAG pins. Failure to follow these procedures can in result in damage to the LatticeXP2 FPGA and render the

board inoperable.

5. Start the ispVM System software, then select Options > Cable and I/O Port Setup... For the Cable Type,

select either Lattice for parallel port or USB for the type of ispDOWNLOAD cable you are using.

6. Press the SCAN button located in the toolbar. The LatticeXP2 device will be automatically detected. The result-

ing screen will be similar to Figure 5.

Figure 12. ispVM System Interface

7. Left-click on the LFXP2-17E device line and if offered other selections, select the LFXP2-17E and leave that

line selected. Now in the ispVM main menu select Edit > EDIT_DEVICE and a Device Information window will

open as shown in Figure 13. Select Device Access Options and SPI Flash Programming as shown in

Figure 14.

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

Figure 13. Device Information Dialog

Figure 14. SPI Serial Flash Device Dialog

8. Select Browse and point to the location of the bitstream file. Note that if you have a “.JED” file output from isp-

LEVER, you can convert it to a “.BIT” file using ispVM and selecting the UFW (Universal File Writer) icon with

the input file being the “.JED” file from ispLEVER and the output file being a “.BIT” file.

9. Select Flash Device and in the Select Device window, change the selections as shown in Figure 15. Press

OK to close the Select Device window.

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

Figure 15. Select Device Dialog

10. Check that the SPI Serial Flash Device window now appears as shown in Figure 16, then press OK to close

the SPI Serial Flash Device window.

Figure 16. SPI Serial Flash Device Dialog

11. Check that the Device Information window appears as shown in Figure 17, then press OK to close the Device

Information window.

LatticeXP2 Advanced

Lattice Semiconductor Evaluation Board User’s Guide

Figure 17. Device Information Dialog

12. Check that the LSC ispVM System window appears as it does in Figure 18.

Figure 18. ispVM System Interface